HM

Hironao Matsunaga

NO Noritz: 4 patents #4 of 63Top 7%
MC Mirai Industry Co.: 3 patents #1 of 7Top 15%
TC Tokyo Gas Living Engineering Co.: 3 patents #1 of 7Top 15%
Overall (2019): #53,912 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10436442 Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus 2019-10-08
10295181 Exhaust connection structure and combustion apparatus with exhaust connection structure Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more 2019-05-21
D847309 Pipe adapter for water heater Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more 2019-04-30
D845449 Pipe adapter for water heater Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more 2019-04-09